04-13-2013, 07:41 PMLurker Paintball EigenbarrelI have now bought two different Eigenbarrels. Anyways, I have the .684 and .678 - I decided I will just overbore for semi and underbore for pump. They are both good barrels and have a nice quiet...

I have now bought two different Eigenbarrels. Anyways, I have the .684 and .678 - I decided I will just overbore for semi and underbore for pump. They are both good barrels and have a nice quiet shot. I wouldn't hesitate with the purchase of one or both of the barrels.

There are a couple things that bother me. One is the finish between my two barrels. The .684 is slightly glossier and actually matches my gloss black gun, but the .678 doesn't quite match. The turning marks from the lathe are still fairly visible on my .678. Internally they both look mirror so I know nothing is impacted as far as performance goes.

Also, I am CNC machinist by trade (noob, but still) and I have measured both ends with a couple of my tools (Mitutoyu Micrometers w/ Starrett Telescoping Gage & a Brown & Sharpe ("Tesa" Copy) Digital Caliper. They both measure closely to the listed bore at the threaded ends. (.678) & (.684) However, they seem to not have much of a step to them. I got .678 on the porting end of the .678 and .686 on the porting end of the .684. You can see the step in the mirror finish internally so I am pretty sure the step is in there somewhere.I am assuming that those dirty/rough chamfers on the ends are what is mucking up my measurements. They need to run a little scotch-bright or something across those chamfers before anno to ensure there are no burrs, in my opinion. This is a minor finish detail that I believe would make these the absolute best barrel value you can get.

This review has been rated:

Currently 5/5 stars.

02-07-2012, 10:47 AMLurker Paintball EigenbarrelI sprang for a Lurker barrel for my CiP V2 Mini-Sniper right when they came out. To be perfectly frank, it may have been some of the best money I've spent in paintball.
This barrel is everything...

I sprang for a Lurker barrel for my CiP V2 Mini-Sniper right when they came out. To be perfectly frank, it may have been some of the best money I've spent in paintball.

This barrel is everything it's supposed to be and nothing it's not. Perfect for pump or closed bolt markers, it has eliminated roll-outs on my Sniper and Cocker. It is also very accurate when matched with quality paint and not horribly picky, mine has shot very well with any number of brands, and types of paint. It has [obviously] been best with the higher quality stuff, but it hasn't batted an eye lash to shoot with field grade paint either.

If you don't have a Sniper or a Cocker, fear not! This thing shoots money on regular markers as well. Obviously it should, since the marker doesn't have much to do with whether or not the barrel's any good, but hey, let's not pigeonhole a good product!

Only 2 sort of cons for me. First, the look is a little plain, not bad, but a bit plain. I will say, that I'd rather have a plain looking piece of equipment than something that looks completely insane and silly. You're paying for the performance anyway, and the performance is good.

Con number two, if you break a ball, you MUST swab or squeegee. You. MUST. Swab or Squeegee. I'm given to the occasional brain fart and double pump or short stroke, if the paint breaks, you will be in a world of hurt until this thing is clean again.

PROS:
Nice finish
I got great boost FPS "30-35" in all markers exept the protege F8 and ETEK because it has a bolt tip that goes inside the barrel when shooting but still got a 15 FPS boost
great for pumps
great price
weights like a carbonfiber barrel
Improved sound signature GREAT GREAT BARREL FOR PUMP I will leave it in my prostock no barrel roll out

VS a empire 681 got almost same results but had bad sound signature
Cons:
If you shoot over a barrel break every single ball you shoot over will break again and again, so you need to clean it in order to shoot again

Ramping over 13-15 BPS I started to see some barrel breaks

only 2 colors

Ill make more tests this weekend:

I fixed this issue with a honing machine and added some liquid car wax & if I break a ball I just unscrew the barrel whip it and shoot over it and it will clean

Im testing with a new one

Test with triax paintballs are awesome

This review has been rated:

Currently 5/5 stars.

10-20-2012, 11:37 AMLurker Paintball EigenbarrelWhen it comes to upgrades, the barrel is perhaps the easiest and most influential part you can change. No other part of the gun affects so many different things, nor as dramatically, as the barrel....

When it comes to upgrades, the barrel is perhaps the easiest and most influential part you can change. No other part of the gun affects so many different things, nor as dramatically, as the barrel. It is then no wonder why the market is saturated with so many different types of barrels. Add in the debates of under-boring vs. over-boring vs. bore-matching, barrel length, and porting, the numbers of products to choose from only grows. With the Eigenbarrel, Lurker has decided to take a simple stand on all three debates; under-bore, 14” length, and good porting.

14” must have been an easy decision since it has become the standard for barrel lengths on most barrels, stock or aftermarket. It is a great length for most styles of play; not too long, not too short. It allows for a good control bore length, and room for porting.

Going into porting; Lurker has come out with a design that diffuses the sound signature of the gun substantially. It not only lowers the perceived volume of the shot, but changes the type of sound as well. For example, many poppets have a “bang” type of shot, but the Eigenbarrel will change the sound to more of a “plop,” but this obviously differs from gun to gun.

As for the bore size, Lurker believes in under-boring. While the jury is still out on the accuracy of under-boring vs. bore-matching vs. over-boring, and you can choose what to believe about it as you wish, there are some known facts about under-boring. First is efficiency; under-boring allows for higher efficiency. Second self-cleaning; while no barrel can truly and completely self clean, under-bored barrels do self-clean much better than over-bored barrels. Finally, for closed bolt guns (such as autocockers and guns based off the autococker design), under-bored barrels prevent roll-out.

Functionally, Lurker has designed a great barrel. Cosmetically, some may wish for more. The anodizing leaves one wanting for more: gloss anodized barrels reportedly have issues in the anodizing. These issue don’t seem to carry over the dust however, so this may be something to consider for those who take form seriously. Additionally, the exterior design of the barrel really emphasizes how Lurker cares about function over form.

Overall, the Lurker Eigenbarrel takes something that for many is pretty complicated, makes it ultimately simple, and does a great job. There are 2 versions of the Eigenbarrel, the 0.679 bore and 0.684 bore. If you shoot many different types of paint, I’d recommend picking up both, which will cover most types of paint there are out there. If you find something really large that the 0.684 can’t handle, then you most likely have a fairly large bore stock barrel as backup.

This barrel is streamlined well ported. Small 678 bore, spotless gloss black anodizing

Accuracy is amazing,ball on ball. Barrels porting makes it nice and quiet

This review has been rated:

Currently 5/5 stars.

02-01-2012, 11:11 PMLurker Paintball EigenbarrelThe Lurker Eigenbarrel is something that not many people know of yet. I have used this barrel since last June, and have yet to find another barrel I would rather use for underboring.
This barrel is...

The Lurker Eigenbarrel is something that not many people know of yet. I have used this barrel since last June, and have yet to find another barrel I would rather use for underboring.

This barrel is one of the best underboring systems out there. The interior and exterior finish is phenomenal, the lightness of the barrel surprises me every time I pick it up. I have never had any barrel breaks, and if i have ever gotten a chop, in about 2 shots the barrel is cleared.

The only Con i see with this barrel is that the exterior is fairly mute in appearance, and there are minimal colors to choose from (dust black or gloss black).

This review has been rated:

Currently 5/5 stars.

02-01-2012, 09:46 PMLurker Paintball EigenbarrelI just got one of these for my shocker and they are great. I like have the one piece barrel with the control bore instead of messing around with freak inserts. I have not had a problem with any other...

I just got one of these for my shocker and they are great. I like have the one piece barrel with the control bore instead of messing around with freak inserts. I have not had a problem with any other lurker product and I don't see anything happening with this either.

This review has been rated:

Currently 3.4/5 stars.

03-01-2012, 04:48 PMLurker Paintball EigenbarrelThis is by far the best barrel I have ever used. The underbore makes the shot very accurate, and it allows me to lower my operating pressure, as well as, which results in increased efficiency. The...

This is by far the best barrel I have ever used. The underbore makes the shot very accurate, and it allows me to lower my operating pressure, as well as, which results in increased efficiency. The price is the true selling point, though. For $40, this is a must have upgrade to any marker.

This review has been rated:

Currently 3/5 stars.

02-14-2012, 02:03 PMLurker Paintball EigenbarrelLurker makes good products and there eigenbarrel is no exception. Its a very smooth bored barrel with a fair amount of porting. Shoots nice and strait andhave only had one barrel break. Only cons...

Lurker makes good products and there eigenbarrel is no exception. Its a very smooth bored barrel with a fair amount of porting. Shoots nice and strait andhave only had one barrel break. Only cons would be the fact that you can scratch the barrel VERY easy and its a little loud. Other than that I would give it a 4 out of 5 star rating.

This review has been rated:

Currently 2/5 stars.

02-03-2012, 10:52 AMLurker Paintball EigenbarrelThis barrel shots excellent with todays small paint. I have shot some 4month old paint without any issues. If you happen to get a barrel break, it cleans itself out in 2-3shots.